506420655 has 16 divisors (see below), whose sum is σ = 872602080. Its totient is φ = 249314688.

The previous prime is 506420617. The next prime is 506420657. The reversal of 506420655 is 556024605.

It is a happy number.

It is not a de Polignac number, because 506420655 - 2⁷ = 506420527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506420657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298320 + ... + 1298709.

It is an arithmetic number, because the mean of its divisors is an integer number (54537630).

Almost surely, 2^506420655 is an apocalyptic number.

506420655 is a deficient number, since it is larger than the sum of its proper divisors (366181425).

506420655 is a wasteful number, since it uses less digits than its factorization.

506420655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597050.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 506420655 is about 22503.7920137918. The cubic root of 506420655 is about 797.0834713930.

The spelling of 506420655 in words is "five hundred six million, four hundred twenty thousand, six hundred fifty-five".